v3.8.0.1
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2017
Feb. 23, 2018
Jun. 30, 2017
Entity Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2017    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Entity Registrant Name REGENCY CENTERS CORP    
Entity Central Index Key 0000910606    
Entity well-known seasoned filer Yes    
Entity voluntary filer No    
Entity Current Reporting Status Yes    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock Shares Outstanding   170,794,466  
Public Float     $ 9,302,533,353
Partnership Interest [Member]      
Entity Information [Line Items]      
Entity Registrant Name REGENCY CENTERS LP    
Entity Central Index Key 0001066247    
Entity Filer Category Accelerated Filer